today I will tell you guy's why you should read the school journal captain cook charting our island story you should read this book because you can learn what a sounding is and some other cool as stuff also did you know that sailors onboard Endeavour had two kinds to lead weight:a hand lead, which weighed 7 pounds(about 3.2 kilogram's) was used for measuring the depth of shallow coastal waters. the deep -sea lead weighed 14 pounds (about 6.4 kilograms). It was attached to 200 fathoms of rope (about 365 meters). pulling up a deep-sea lead was a long, arduous process. also do you know what a sextant is if you don't know what it is I will tell you what a sextant is an sextant is an instrument with a graduated arc of 60° and a sighting mechanism, used for measuring the angular distances between objects and especially for taking altitudes in navigation and surveying. here is some photo's of an sextant bye.
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